P0717 Code - Input/Turbine Speed Sensor Circuit No Signal

What does P0717 Mean?

The Input Speed Sensor detects the primary pulley revolution speed and sends a signal to the Transmission Control Module (TCM) and Engine Control Module (ECM). The ECM sets the OBDII code when the Input Speed Sensor is out of factory specifications.



What are the common causes of P0717 ?

The most common causes of this code being stored are due to a defective input speed sensor or output speed sensor. Other common causes include shorted, open, corroded, or damaged wiring circuits or connectors, faulty shift solenoid/s, defective engine drivability sensors (especially the engine temperature sensor), dirty or contaminated transmission fluid that restricts flow, defective valve body, a faulty PCM. PCM failure is rare.

How do you troubleshoot P0717 ?

The right repair for the job will depend entirely on the underlying cause of the problem. Some of the most likely repairs to fix a P0717 code are:

• Replacing the valve body.
• Replacing the input/turbine speed sensor.
• Replacing one or more shift solenoids.
• Replacing or repairing damaged, shorted, or open wiring or circuits.
• Replacing the engine coolant temperature sensor
• Draining, flushing, and replacing the transmission fluid.

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